diff --git a/tests/requirements.txt b/tests/requirements.txt
index a541161..6c66192 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -17,7 +17,7 @@
 # procedure to set up a suitable python environment for that repository may
 # pip-install this one as editable using this repository's setup.py file.  The
 # same modules should appear in the setup.py list as given below.
-pytest==8.3.3
+pytest==9.0.3
 pytest-xdist==3.6.1
 
 # Development dependencies